Home / 4,378.07-6,569.61-1,604.38

Finding the Fourth Proportional to 4,378.07, 6,569.61 and 1,604.38

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Solution

The fourth proportional to 4,378.07, 6,569.61 and 1,604.38 is: 2,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.07 : 6,569.61 = 1,604.38 : x
  2. Step 2: Convert to fraction form
    4,378.07/6,569.61 = 1,604.38/x
  3. Step 3: Cross multiply
    4,378.07x = 6,569.61 × 1,604.38
  4. Step 4: Simplify right side
    4,378.07x = 10,540,150.89
  5. Step 5: Solve for x
    x = 10,540,150.89/4,378.07
  6. Step 6: Final answer
    x = 2,407.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.